Go port of Coda Hale's Metrics library: https://github.com/codahale/metrics.
Documentation: http://godoc.org/github.com/rcrowley/go-metrics.
Create and update metrics:
c := metrics.NewCounter()
metrics.Register("foo", c)
c.Inc(47)
g := metrics.NewGauge()
metrics.Register("bar", g)
g.Update(47)
s := metrics.NewExpDecaySample(1028, 0.015) // or metrics.NewUniformSample(1028)
h := metrics.NewHistogram(s)
metrics.Register("baz", h)
h.Update(47)
m := metrics.NewMeter()
metrics.Register("quux", m)
m.Mark(47)
t := metrics.NewTimer()
metrics.Register("bang", t)
t.Time(func() {})
t.Update(47)Periodically log every metric in human-readable form to standard error:
go metrics.Log(metrics.DefaultRegistry, 60e9, log.New(os.Stderr, "metrics: ", log.Lmicroseconds))Periodically log every metric in slightly-more-parseable form to syslog:
w, _ := syslog.Dial("unixgram", "/dev/log", syslog.LOG_INFO, "metrics")
go metrics.Syslog(metrics.DefaultRegistry, 60e9, w)Periodically emit every metric to Graphite:
addr, _ := net.ResolveTCPAddr("tcp", "127.0.0.1:2003")
go metrics.Graphite(metrics.DefaultRegistry, 10e9, "metrics", addr)Periodically emit every metric into InfluxDB:
import "github.com/rcrowley/go-metrics/influxdb"
go influxdb.Influxdb(metrics.DefaultRegistry, 10e9, &influxdb.Config{
Host: "127.0.0.1:8086",
Database: "metrics",
Username: "test",
Password: "test",
})Periodically upload every metric to Librato:
import "github.com/rcrowley/go-metrics/librato"
go librato.Librato(metrics.DefaultRegistry,
10e9, // interval
"[email protected]", // account owner email address
"token", // Librato API token
"hostname", // source
[]float64{0.95}, // precentiles to send
time.Millisecond, // time unit
)Periodically emit every metric to StatHat:
import "github.com/rcrowley/go-metrics/stathat"
go stathat.Stathat(metrics.DefaultRegistry, 10e9, "[email protected]")go get github.com/rcrowley/go-metricsStatHat support additionally requires their Go client:
go get github.com/stathat/go
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